Luoyang HongtengIntermediate frequency induction furnace
Induction furnace is the most common application, is in the machinery manufacturing industry and metallurgy industry, so induction furnace specific uses? Hongteng editor to introduce to you. Quenching: the workpiece is heated to a certain temperature and then cooled down quickly, so that the metallographic structure of the workpiece has a certain change, in order to increase the hardness and wear resistance of the workpiece, known as quenching. However, after quenching, the workpiece will become very brittle and the fatigue resistance will become worse. In order to solve this contradiction, surface quenching technology is developed. Induction heating is the most ideal heating method for surface quenching, which can meet the requirements of workpiece surface quenching by controlling the heating depth and heating time. Diathermy: During the heating process, the internal and surface temperatures of the whole workpiece are roughly equal, which is called diathermy. Induction heating for dithermic heating has the advantages of high heating efficiency, fast speed, reduce metal burning loss, easy to control the temperature, to ensure the quality of heating, so it has been more and more widely used. Smelting: When induction furnace is used for smelting, it has these advantages, can provide workers with a better...
We have had customers before, their raw materials are scrap steel, scrap iron and other scrap metal raw materials. They want to equip a mortal medium frequency induction furnace with a output of 150KG per hour. We eventually equipped him with a hot product called a medium frequency aluminum shell furnace, which is used to melt steel, iron, metals, etc. Supporting equipment includes transformer, closed cooling tower, etc. The final customer purchased a set of 150KG one container one furnace medium frequency melting furnace and N10T closed cooling tower Product Features 1, melting furnace capacity 0.1T-20T, melting speed is fast, 40-60 minutes/furnace 2, the equipment with self-test function, real-time detection of water temperature, water pressure, overcurrent, overpressure, lack of equal fault information. 3, water use no carbon hose, all water dispenser and clip all use 304 stainless steel material. 4, can meet 24 hours continuous work, energy saving and environmental protection, reduce costs and labor costs We also offered him a few tips. 1. Observe the condition of each instrument in the electric furnace The simplest way to judge the lining life of intermediate frequency electric furnace is to observe the condition of each instrument when the intermediate frequency electric...
We talked about the heating principle of induction furnace. When an electric current flows through an induction coil, it creates a magnetic field. Applying an alternating current through this coil will cause the magnetic field to change direction at the same rate as the alternating current frequency. When aluminum charges are added, Faraday’s law takes over. The induced voltage will cause a current to flow through the material in the magnetic field. When an electric current flows through a material, the motion of electrons is resisted. When a current flows through them, materials that are more resistant to the flow of electrons give off more heat. Heat is induced in the material of the product by an electric current. The heat from the product surface is then transferred through a heat-conductive material. When the metal melts, the magnetic field also causes the molten pool to move. This is called induction stirring, and it mixes the bath to produce a more uniform mixture that helps alloying. A set of 5 tons of intermediate frequency furnace, when the furnace is full of molten iron, the overall weight of the equipment reaches 8 to 10 tons. If the aluminum shell structure is selected,...
If the frequency induction furnace operation site uses a variety of equipment, multiple types of work at the same time, prone to sudden accidents, the risk is large, once the failure can be quickly taken emergency measures, control the accident, avoid expansion. Then the following Xiaobian will give you a summary of what are the general accident risks of intermediate frequency furnace and the corresponding preventive measures that enterprises should be familiar with. Hidden dangers of accidents 1, induction furnace hot metal overflow The hot metal is too full + cover + full power + exhaust resulting in overflow to bellows, bellows burning leakage, burning sensor, burning dust collector cloth bag. Furnace nozzle repair is not good, pouring hot metal overflow into the bellows, bellows burning leakage, burning sensor, burning dust collector cloth bag. 2. Leakage furnace in the middle of furnace body Building furnace stratification, pour clean stop furnace, hot expansion and cold contraction. Ferromagnetic material was mixed into the furnace material. Partial furnace lining too thin wear. 3, furnace bottom wear Long-term low temperature insulation form black cover, plus excessive power. There are some reasons for the furnace bottom thinning of intermediate frequency furnace, as well as the...
The principle of intermediate frequency induction heating is electromagnetic induction, and its heat is generated in the workpiece itself. Ordinary workers can carry out continuous work of forging task ten minutes after going to work with intermediate frequency electric furnace, without furnace workers to carry out furnace burning and furnace sealing work in advance. Using the principle of electromagnetic induction heating, the heating rate is fast, so the steel oxidation is less. The oxidation burn loss of heated forgings is only 0.5%, that of gas furnace is 2%, and that of coal furnace is 3%. Therefore, the intermediate frequency furnace heating process can save at least 20-50kg of steel raw materials per ton of forging compared with coal burning furnace, and the utilization rate of steel can reach 95%. Because the heating method is uniform and the temperature difference between the core and the surface is small, the forging life of the forging die is greatly increased. The roughness of the forging surface is also less than that of the 50um process. The energy saving of the medium frequency heating is 31.5%~ 54.3%, and the energy saving of the medium frequency heating is 5%~40% compared with the gas heating. Work...
There are many ways to use intermediate frequency smelting. Today, the editor of Red Teng will introduce one of the most common schemes: one drag two. From the name understanding, one tow two medium frequency melting furnace is a power supply with two stoves working at the same time. The power of the power supply can be arbitrarily distributed, one furnace melting, the other heat preservation, the melting process is uninterrupted. When necessary, it can be insulated, heated and tempered at the exact temperature to maximize the production. Technical Features One tow two intermediate frequency furnace adopts special thyristor control to control the current. When working normally, the thyristor is always on, so that the power supply has a high power factor, but also reduce the harmonic interference. The thyristor current control circuit has the advantages of good repeatability, good stability, good symmetry, strong anti-interference ability, convenient debugging and so on. It can also realize remote control. Inverter adopts half bridge circuit, can reduce the number of main circuit components, and has a high power factor. At the same time, the circuit is guaranteed to have good starting ability. Whether in full load or heavy load state, it can be...
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